Race Calendar

May

23

Pre-Registration Providence Saint John's Health Center Brentwood Run

Los Angeles, California, United States

$10.00 - $45.00

Running

10K 5K 1K

May

23

The Dormie Challenge: 12-Hour and 6-Hour Ultra Marathon

Stevens Point, Wisconsin, United States

$75.00 - $100.00

Trail running

The Dormie 12-Hour Challenge: 2026 The Dormie 6-Hour Challenge: 2026

May

23

Diablo Trail Run

Clayton, California, United States

Free - $90.00

Trail running Running

6.4K 16.1K Half-Marathon Marathon +3

May

23

Mutts & Mayhem

Greenfield, Massachusetts, United States

$40.00

Obstacle race

2.4K

May

23

Women's Whisper Triathlon

East Meadow, New York, United States

$49.00 - $169.00

Triathlon Running

ENDURO TRIATHLON (individual) TRIATHLON (individual) AquaBike (individual) TRIATHLON - Middle & High School (indvidual) +5

May

23

Shi-Tri

Owosso, Michigan, United States

$70.00 - $110.00

Triathlon

24.1K

May

23

Lake Region Run

Fergus Falls, Minnesota, United States

$15.00 - $60.00

Running

Virtual Race 16.1K 5K 1.6K +2

May

23

Lake Lou Yaeger Triathlon

Litchfield, Illinois, United States

$75.00 - $195.00

Triathlon Aquabike

SPRINT INDIVIDUAL TRI SPRINT AQUABIKE SPRINT HIGH SCHOOL TRIATHLON SPRINT RELAY TRIATHLON +3

May

23

Cycle of Hope

Dublin, California, United States

Free - $100.00

Cycling Running

Ultra 37K 2K 22.5K +2

May

23

Marathon Adventures Cape Town Marathon Adventure

Minneapolis, Minnesota, United States

$750.00

Running

Marathon

May

23

JerseyMan Triathlon

Lebanon, New Jersey, United States

$140.00 - $225.00

Triathlon Duathlon Aquabike

Ultra 33.8K +3

May

23

Indian Ladder Farms Spiked Apple 5k

Altamont, New York, United States

$15.00 - $25.00

Running

5K Volunteer and Run 8:30am to 10:00am